On 19/01/2006, at 9:08 AM, Peter O'Gorman wrote:
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Eric Botcazou wrote: |>Yes the workaround is to add -fexceptions or -shared-libgcc to the|>command line when linking libgnat but I don't know if that is the correct|>fix or some hacking to config/darwin.h is needed. | || Thanks. However, that's not sufficient because the tools fail to build too:I'm adding Geoff Keating to the CC, hoping that he'll both shout at me while explaining why this change to darwin.h is broken, and suggest a real fix.
If ADA is going to use exceptions, then it needs to do what G++ does, which is pass -shared-libgcc in its driver.
This change allows gcc to build on powerpc-apple-darwin8.4 with ada.
It's not OK because for forwards binary compatibility the shared libgcc must be used for exception handling.
Peter -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (Darwin) iQCVAwUBQ8/HhbiDAg3OZTLPAQJpowQAnZLRilL7mE1l9LLwETXKWYFarWC+2DSl J00YAywB5cDF+J1emf3ET7S4ZFgZ1Wvl9fJVutvgnVTWkvnnBm8nI+hFSHY93dUZ 9jK7/dyzWUQol4kG55bmNJDNjxr0wSx27RHafo6ktxQF0CwXQN+nzGJo9AU6mnaf foTpzV+E64s= =NJtm -----END PGP SIGNATURE----- Index: gcc/config/darwin.h =================================================================== --- gcc/config/darwin.h (revision 109965) +++ gcc/config/darwin.h (working copy) @@ -324,6 +324,7 @@ -lgcc; \:%:version-compare(>< 10.3.9 10.5 mmacosx-version-min= - lgcc_s.10.4) \ %:version-compare(>= 10.5 mmacosx-version-min= -lgcc_s. 10.5) \ + %:version-compare(!> 10.3.9 mmacosx-version-min= - lgcc_eh) \-lgcc}"/* We specify crt0.o as -lcrt0.o so that ld will search the library path. */
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